MESON Chess Problem Database
Problem Display
PID: 222233 (8/2K3N1/1P3B2/1bk1N1n1/5p2/1Q2pP2/1P1bP3/3R4 w - - 0 1)
Mumme, W
Funkschach, 1926
#2
10 + 6
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Sd3#
- 2.Sd7#
- 1...Bc1
- 2.Be7#
- 2.Rd5#
- 2.Qa3#
- 1...Be1
- 2.Be7#
- 2.Rd5#
- 1...Bc3
- 2.Be7#
- 2.Rd5#
- 1...Bb4
- 2.Be7#
- 2.Rd5#
- 2.Qd5#
- 1...Ba5
- 2.Be7#
- 2.Rd5#
- 1...Bxe2
- 2.Sd7#
- 1...Bd3
- 2.Sxd3#
- 2.Sd7#
- 1...Ba4
- 2.Sd3#
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Ba6
- 2.Sd7#
- 1...Bc6
- 2.Sd3#
- 2.Qc4#
- 1...Bd7
- 2.Sd3#
- 2.Sxd7#
- 2.Qc4#
- 1...Be8
- 2.Sd3#
- 2.Qc4#
- 1...Sxf3
- 2.Se6#
- 1...Sh3
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Se6+
- 2.Sxe6#
- 1...Sf7
- 2.Se6#
- 1...Sh7
- 2.Se6#
- 1...Kd4
- Tries
- 1.Bxg5?
- threat
- 2.Se6#
- 1...Bc4
- 2.Qxc4#
- 1...Bd7
- 2.Qc4#
- 1...Kd4!
- threat
- 1.Rxd2?
- threat
- 2.Be7#
- 2.Rd5#
- 2.Qa3#
- 1...Se6+
- 2.Sxe6#
- 1...Bxe2
- 2.Sd7#
- 2.Be7#
- 2.Rd5#
- 1...Bd3
- 2.Sxd3#
- 2.Sd7#
- 1...Ba4
- 2.Sd3#
- 2.Be7#
- 2.Rd5#
- 2.Qc4#
- 1...Bc4
- 2.Sd7#
- 2.Be7#
- 2.Qxc4#
- 1...Ba6
- 2.Sd7#
- 2.Be7#
- 2.Rd5#
- 1...Bc6
- 2.Sd3#
- 2.Be7#
- 2.Qc4#
- 1...Bd7
- 2.Sd3#
- 2.Sxd7#
- 2.Be7#
- 2.Rd5#
- 2.Qc4#
- 1...Be8
- 2.Sd3#
- 2.Be7#
- 2.Rd5#
- 2.Qc4#
- 1...Se4
- 2.Se6#
- 2.Rd5#
- 2.Qa3#
- 1...Sf7
- 2.Se6#
- 2.Rd5#
- 2.Qa3#
- 1...exd2!
- threat
- 1.Qc3+?
- 1...Bxc3
- 2.Be7#
- 1...Bc4
- 2.Qxc4#
- 1...Kd5!
- 1...Bxc3
- 1.Qb4+?
- 1...Kd5
- 2.Qd6#
- 1...Bxb4
- 2.Be7#
- 1...Kxb4!
- 1...Kd5
- 1.Qxb5+?
- 1...Kd4
- 2.Sd3#
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 2.Sf5#
- 2.Qc4#
- 1...Kxb5!
- 1...Kd4
- 1.b7?
- 1...Se6+
- 2.Sxe6#
- 1...Kd4
- 2.Sd3#
- 2.Sd7#
- 1...Bxe2
- 2.Sd7#
- 1...Sxf3
- 2.Se6#
- 1...Bc4
- 2.Qxc4#
- 1...Bc1
- 2.Be7#
- 2.Rd5#
- 2.Qa3#
- 1...Be1
- 2.Be7#
- 2.Rd5#
- 1...Bc3
- 2.Be7#
- 2.Rd5#
- 1...Bb4
- 2.Be7#
- 2.Rd5#
- 2.Qd5#
- 1...Bd3
- 2.Sxd3#
- 2.Sd7#
- 1...Ba4
- 2.Sd3#
- 2.Qc4#
- 1...Ba6
- 2.Sd7#
- 1...Bc6
- 2.Sd3#
- 2.Qc4#
- 1...Bd7
- 2.Sd3#
- 2.Sxd7#
- 2.Qc4#
- 1...Be8
- 2.Sd3#
- 2.Qc4#
- 1...Sh3
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sf7
- 2.Se6#
- 1...Sh7
- 2.Se6#
- 1...Ba5+!
- 1...Se6+
- 1.Bxg5?
- Keys
- 1.Qa3+!
- 1...Kd4
- 2.Qd6#
- 1...Kd5
- 2.Qd6#
- 1...Bb4
- 2.Be7#
- 1...Kd4
- 1.Qa3+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- B(d);N_GUARD,XP(C)::S(F)
- B(d);N_GUARD::QAR1(D),XB(d)
- B(d);N_GUARD::S(F)
- S(f);N_GUARD,XP(E)::S(J)
- S(f);N_GUARD::S(J)
- S(f);CHECK,N_GUARD::S(J),XS(f)
- Tries
- Try
- B(H);XS(f)
- Threat
- S(J)
- Vars
- B(d);N_GUARD::QAR1(D),XB(d)
- B(d);N_GUARD::QAR1(D)
- Refutation
- K(e);P_SPINB(a),S_FLIGHT
- Try
- R(A);XB(a)
- Threat
- DUALS(3)
- Vars
- S(f);CHECK,N_GUARD::S(J),XS(f)
- Refutation
- P(b);XR(A)
- Try
- Q(D);CHECK
- Vars
- B(a);XQ(D)::B(H)
- B(d);N_GUARD,P_SPINB(d)::QAR1(D),XB(d)
- Refutation
- K(e);P-FLIGHT,P_SPINB(a)
- Try
- Q(D);CHECK
- Vars
- K(e);OGATE,P-FLIGHT,P_SPINB(a)::QAR1(D)
- B(a);SBLOCK,XQ(D)::B(H)
- Refutation
- K(e);S_FLIGHT,XQ(D)
- Try
- Q(D);CHECK,XB(d)
- Refutation
- K(e);P-FLIGHT,XQ(D)
- Try
- P(G);
- Vars
- S(f);CHECK,N_GUARD::S(J),XS(f)
- B(d);N_GUARD,XP(C)::S(F)
- S(f);N_GUARD,XP(E)::S(J)
- B(d);N_GUARD::QAR1(D),XB(d)
- B(d);N_GUARD::S(F)
- S(f);N_GUARD::S(J)
- Refutation
- B(a);CHECK
- Try
- Actual
- Q(D);CHECK
- Vars
- K(e);OGATE,P_SPINB(a),S_FLIGHT::QAR2(D)
- K(e);OGATE,P-FLIGHT,P_SPINB(a)::QAR1(D)
- B(a);P_SPINB(a)::B(H)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).